<template>
<div class="buy-button-group row">
  <div class="btn-group btn-group-lg btn-group-justified" role="group">
    <a class="btn btn-default" role="button" href="">PDF 格式</a>
    <a class="btn btn-default" role="button" href="">mobi 格式</a>
    <a class="btn btn-default" role="button" href="">epub 格式</a>
    <a class="btn btn-default" role="button" href="">打包下载</a>
  </div>
</div>
</template>

<script>

</script>

<style>

</style>
